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In December 2023, ChatGPT became the first non-human to be included in Nature’s 10, an annual listicle curated by Nature of people considered to have made significant impact in science. ChatGPT gained one million users in five days and 100 million in two months. Kevin Roose of The New York Times called it “the best artificial intelligence chatbot ever released to the general public”.

• In 2000update, there were 71 workers who commuted into the municipality and 329 workers who commuted away.
• ChatGPT also started its responses with words such as “yes” or “correct” nearly 10 times more often than “no” or “wrong”.
• Their leaders emphasized their earlier caution regarding public deployment was due to the trust the public places in Google Search.
• OpenAI allows businesses to tailor how their content appears in the ChatGPT Search results and influence what sources are used.

Model versions

The term “hallucination” as applied to LLMs is distinct from its meaning in psychology, and the phenomenon in chatbots is more similar to confabulation. In one instance, ChatGPT generated a rap in which women and scientists of color were asserted to be inferior to white male scientists. To implement the feature, OpenAI partnered with data connectivity infrastructure company b.well. On January 7, 2026, OpenAI introduced a feature called “ChatGPT Health”, whereby ChatGPT can discuss the user’s health in a way that is separate from other chats. The user can interrupt tasks or provide additional instructions as needed.

Go from idea to useful result

These limitations may be revealed when ChatGPT responds to prompts including descriptors of people. The reward model of ChatGPT, designed around human oversight, can be over-optimized and thus hinder performance, in an example of an optimization pathology known as Goodhart’s law. On 17 January 2026, OpenAI announced that it would start testing advertisements in its free version for logged-in, adult US users. The feature is not available for users in the United Kingdom, Switzerland, or the European Economic Area (EEA), and is available on a waitlist basis everywhere else.

In March 2025, OpenAI updated ChatGPT to generate images using GPT Image instead of DALL-E. In October 2023, OpenAI’s image generation model DALL-E 3 was integrated into ChatGPT. It was initially based on the reasoning model o3 and took from 3 to 30 minutes per report. In 2023, OpenAI worked with a team of 40 Icelandic volunteers to fine-tune ChatGPT’s Icelandic conversation skills as part of Iceland’s attempts to preserve the Icelandic language. It has an additional feature called “agentic mode” that allows it to take online actions for the user.

ChatGPT Health

According to a September 2025 article in Lancet Psychiatry, many individuals use ChatGPT and comparable chatbots for mental health and emotional support despite a warning from OpenAI against using ChatGPT as a therapist. According to a 2024 study in the International Journal of Surgery, concerns include “research fraud, lack of originality, ethics, copyright, legal difficulties”. However, ChatGPT shows inconsistent responses, lack of specificity, lack of control over patient data, and a limited ability to take additional context (such as regional variations) into consideration.

Shortly after the bug was fixed, users could not see their conversation history. In March 2023, a bug allowed some users to see the titles of other users’ conversations. Despite this, users non gamstop casinos may jailbreak ChatGPT with prompt engineering techniques to bypass these restrictions. The company then worked with a team of 170 psychiatrists, psychologists, and physicians to prepare responses for users exhibiting mental health emergencies.